A Super-Easy Way to Come Up With the Next Million-Dollar Idea

He suggests that potential entrepreneurs write down the simple day-to-day frustrations they experience. “At the end of the week, you’ll have dozens,” Blumenthal says. “At the end of the month, you’ll have scores.” You can then go through those frustrations and see if any of them can be solved—perhaps by your business.

Learn how this approach led to companies like Netflix, BuzzFeed, and, of course, Warby Parker, by watching the video below—then start looking for the annoyances in your life today.

Love Warby Parker? The company is hiring! Check out the office below, or browse open jobs.